Because of its capacity to withstand corrosion and be welded, 3003 aluminum tube finds extensive application in food containers, kitchenware, ornamental materials, and automotive parts. Painting and anodizing are two ways to improve the surface's durability and appearance. It is suitable for extrusion, welding, and cutting procedures due to its high strength and ductility.
Manganese (Mn), which can offer strong corrosion resistance and moderate strength with the proper surface treatment (such as anodizing), is added to aluminum alloys of the 3000 series. In difficult conditions like humidity, GNEE 3003 and 3A21 aluminum tube busbars can be employed extensively in wind power production systems as well as transmission and transformation systems.
Specification of GNEE 3003 3A21 EC aluminum tubular busbar
| Temper | H14 |
| Outer diameter | Φ60mm-Φ450mm |
| Wall thickness | 3mm-15mm |
| Length | The length of a single bus pipe can reach 15 meters; deviation:+15~+25mm |
| Curvature | m/L<2.0mm |
| Surface requirement | The surface is smooth and flat, without cracks, wrinkles, inclusions, deformation, or distortion. |
| Product requirement | The finished pipeline is completely straight; High dimensional accuracy and high tensile strength; Not prone to discharge and corona. |
| Profiles can be provided | Certificate of origin; Invoice and PL certified by Chamber of Commerce; Test certificate according to EN 10204 3.1; Other test reports that may be requested by the customer. |
3003-3A21-Aluminum-Tubular-Buspipe.pdf
Mechanical and Physical property of GNEE 3003 3A21 EC bus pipe tube
| Alloy | 3003 H14 | 3A21 H14 |
| Tensile strength Rm/MPa | ≥135 | ≥135 |
| Prescribed plastic extension strength Rp0.2/MPa | ≥120 | ≥120 |
| Elongation after fracture (% ) | ≥4 | ≥4 |
| Electrical conductivity(%IACS) | ≥44 | ≥41 |
| Density | - | 2.74 |
| Melting point | - | 620-640 |
| Thermal conductivity(K/℃*cm*s) | - | 0.46 |
| 20°C Temperature coefficient of electrical resistance I/℃ | - | 0.0042 |
| 20℃ Electrical Resistivity β, Ω mm2/m | - | 0.043 |
Chemical component of GNEE 3003 3A21 aluminum alloy
| Element | Composition (%) | |
| 3003 | 3A21 | |
| Si | 0.6 | 0.6 |
| Fe | 0.7 | 0.7 |
| Cu | 0.05-0.2 | 0.20 |
| Mn | 1.0-1.5 | 1.0-1.6 |
| Mg | - | 0.05 |
| Cr | - | - |
| Ni | - | - |
| Zn | 0.1 | 0.15 |
| Ca | - | - |
| V | - | - |
| Ti | - | 0.10-0.20 |
| Other | 0.15 | 0.15 |
| Min.A1 | Remainder | Remainder |
Advantage of GNEE 3003 3A21 aluminum tube pipe
Advantages of 3003 aluminum tube pipe
It has exceptional corrosion resistance and is appropriate for a range of environmental circumstances.
It is simple to weld and appropriate for a number of welding techniques, including TIG and MIG.
Because of its ease of treatment, the surface can be painted or anodized to improve its durability and appearance.
It is appropriate for a variety of manufacturing techniques, including extrusion, welding, and cutting, due to its high strength and exceptional ductility.
Advantages of GNEE 3003 3A21 aluminum tubular busbar
Good conductivity;
Good corrosion resistance, more reliable for use in humid environments or corrosive conditions;
Compared to copper products, 3003 and 3A21 aluminum alloys have lower costs.
Cooperative field of GNEE 3003 3A21 aluminum tube pipe
Applications for 3003 aluminum tube are numerous and include the production of food containers, kitchenware, ornamental materials, gas containers, and automobile parts. It is well-known for having outstanding weldability and corrosion resistance, and it is simple to apply surface treatments like painting and anodizing to improve durability and appearance. Because of its great strength and ductility, it can be used in a variety of fabrication processes, including as cutting, welding, and extrusion.
Application of GNEE 3003 aluminum EC tubular bus bar
Extrusion pipes made of aluminum alloy for power plants' high-frequency conductivity;
current conductors in projects involving electricity construction;
the conductor link between the substation and the transmission conductor of the electrical grid;
Power transmission and distribution systems; high current DC ice melting devices; transmission line jumpers; power capacitors, battery packs, etc.
Why choose GNEE 3003 aluminum tubular pipe
GNEE aluminum conductive bus pipes are made via cold stretching, three roll rolling, and hollow core billet casting. In both length and cross-sectional directions, the products' mechanical and electrical characteristics are consistent and stable;
Independently created rare earth and heat-resistant aluminum alloy materials, which have superior processing, welding, conductivity, and heat resistance qualities, are used in GNEE conductive aluminum tube products;
Size and deviation table of GNEE 3003 3A21 aluminum tubular busbar
| Size table reference table | ||||
| SCH 40 Nominal size (in.) |
Outside diameter of tube (in.) |
Wall Thickness (in.) |
Area (sq. in.) |
Weight (lb/ft) |
| 1 | 1.315 | 0.133 | 0.4939 | 0.581 |
| 1.25 | 1.66 | 0.14 | 0.6685 | 0.786 |
| 1.5 | 1.9 | 0.145 | 0.7995 | 0.94 |
| 2 | 2.375 | 0.154 | 1.075 | 1.264 |
| 2.5 | 2.875 | 0.203 | 1.704 | 2.004 |
| 3 | 3.5 | 0.216 | 2.228 | 2.621 |
| 3.5 | 4 | 0.226 | 2.68 | 3.151 |
| 4 | 4.5 | 0.237 | 3.174 | 3.733 |
| 5 | 5.563 | 0.258 | 4.3 | 5.057 |
| 6 | 6.625 | 0.28 | 5.581 | 6.564 |
| 8 | 8.625 | 0.322 | 8.399 | 9.879 |
| SCH 80 Nominal size (in.) |
Outside diameter of tube (in.) |
Wall Thickness (in.) |
Area (sq. in.) |
Weight (lb/ft) |
| 1 | 1.315 | 0.179 | 0.6388 | 0.751 |
| 1.25 | 1.66 | 0.191 | 0.8815 | 1.037 |
| 1.5 | 1.9 | 0.2 | 1.068 | 1.256 |
| 2 | 2.375 | 0.218 | 1.477 | 1.737 |
| 2.5 | 2.875 | 0.276 | 2.254 | 2.65 |
| 3 | 3.5 | 0.3 | 3.016 | 3.547 |
| 3.5 | 4 | 0.318 | 3.678 | 4.326 |
| 4 | 4.5 | 0.337 | 4.407 | 5.183 |
| 5 | 5.563 | 0.375 | 6.112 | 7.188 |
| 6 | 6.625 | 0.432 | 8.405 | 9.884 |
| 8 | 8.625 | 0.5 | 12.763 | 15.009 |
| Wall thickness deviation | ||||||||
| Nominal wall thickness | 3-5 | >5 -8 | >8-10 | >10-12 | >12-15 | >15 -20 | ||
| Ordinary level | Average & nominal wall thickness | ±0.30 | ±0.50 | ±0.70 | ±0.9 | ±1.10 | ±1.3 | |
| Any & nominal wall thickness | H14 | ±0.40 | ±0.60 | ±0.90 | ±1.10 | ±1.3 | ±1.6 | |
| T5A, T6, T10 | ±12% of the specified wall thickness, maximum value is 1.90 | |||||||
| High precision level | Average & nominal wall thickness | ±0.15 | ±0.20 | ±0.38 | ±0.50 | ±0.70 | ±1.00 | |
| Any & nominal wall thickness | H14 | ±0.2 | ±0.3 | ±0.5 | ±0.76 | ±1.00 | ±1.4 | |
| T5A, T6, T10 | ±10% of the specified wall thickness, maximum value is 1.70 | |||||||
| Outer diameter deviation | |||
| Nominal OD | Ordinary level | ||
| Average & Nominal outer diameter | Any & Nominal outer diameter | ||
| H14 | T5A, T6, T10 | ||
| 50.00 - 80.00 | ±0.24 | ±0.30 | ±0.45 |
| > 80.00- 120.00 | ±0.35 | ±0.40 | ±0.62 |
| >120.00-150.00 | ±0.45 | ±0.50 | ±0.75 |
| >150.00 - 200.00 | ±0.65 | ±0.7 | ±1.00 |
| >200.00 - 250.00 | ±0.77 | ± | ±1.2 |
| >250.00 - 300.00 | ±0.96 | ±1 | ±1.5 |
| >300.00 - 350.00 | ±1.3 | ±1.4 | ±1.8 |
| High precision level | |||
| Nominal OD | Average & Nominal outer diameter | Any & Nominal outer diameter | |
| H14 | T5A, T6, T10 | ||
| 50.00 - 80.00 | ±0.15 | ±0.15 | ±0.3 |
| > 80.00-120.00 | ±0.20 | ±0.20 | ±0.41 |
| >120.00-150.00 | ±0.25 | ±0.25 | ±0.5 |
| >150.00-200.00 | ±0.38 | ±0.38 | ±0.76 |
| >200.00-250.00 | ±0.50 | ±0.5 | ±1.00 |
| >250.00-300.00 | ±0.64 | ±0.64 | ±1.25 |
| >300.00-350.00 | ±0.9 | ±0.9 | ±1.6 |
